Effective August 27, 2020, the Postal Service™ is revising Mailing Standards of the United States Postal Service, International Mail Manual (IMM®) to reflect changes to the International Country Listing for Mexico.
In consultation with Correos de México (the designated postal operator of Mexico), the Postal Service is adding a restriction to reflect that cremated remains must be accompanied by the death and cremation certificates.
Mailing Standards of the United States Postal Service, International Mail Manual (IMM)
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Individual Country Listings
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Mexico
Country Conditions for Mailing
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Restrictions
[Add an entry in alphabetical order to read as follows:]
Cremated remains must be accompanied by a certificate of death and a certificate of cremation. Also, the customs authority of Mexico will subject the remains to inspection in a non-intrusive way.
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Although effective on August 27, 2020, the Postal Service will incorporate this revision into a later edition of the online IMM, which is available via Postal Explorer® at pe.usps.com.
— Product Classification, Marketing, 8-27-20
